/*-
 * ============LICENSE_START=======================================================
 * SDC
 * ================================================================================
 * Copyright (C) 2017 AT&T Intellectual Property. All rights reserved.
 * ================================================================================
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 * ============LICENSE_END=========================================================
 */
package org.openecomp.sdc.translator.services.heattotosca;

import java.util.List;
import java.util.Map;
import java.util.Optional;
import java.util.regex.Pattern;
import org.openecomp.sdc.translator.datatypes.heattotosca.PropertyRegexMatcher;

public class NameExtractorUtil {

    /**
     * Extract Node Type Name By Properties Priority.
     *
     * @param properties              properties list
     * @param propertiesRegexMatchers Regex expression list
     * @return node type name
     */
    public static Optional<String> extractNodeTypeNameByPropertiesPriority(Map<String, Object> properties,
                                                                           List<PropertyRegexMatcher> propertiesRegexMatchers) {
        for (PropertyRegexMatcher propertyRegexMatcher : propertiesRegexMatchers) {
            Optional<String> parameterNameValue = HeatToToscaUtil
                .getPropertyParameterNameValue(properties.get(propertyRegexMatcher.getPropertyName()));
            if (parameterNameValue.isPresent()) {
                if (isPropertyValueMatchNamingConvention(propertyRegexMatcher, parameterNameValue.get())) {
                    return Optional.of(parameterNameValue.get()
                        .substring(0, parameterNameValue.get().lastIndexOf(propertyRegexMatcher.getStringToSearchForPropertyValue())));
                }
            }
        }
        return Optional.empty();
    }

    /**
     * Check if property value match the naming convention using Regex expression.
     *
     * @param propertyRegexMatcher naming convention using Regex expression
     * @param propertyValue        property value
     * @return true is there is a match, false otherwise
     */
    public static boolean isPropertyValueMatchNamingConvention(PropertyRegexMatcher propertyRegexMatcher, String propertyValue) {
        for (Pattern pattern : propertyRegexMatcher.getRegexPatterns()) {
            if (pattern.matcher(propertyValue).matches()) {
                return true;
            }
        }
        return false;
    }
}
